EP2395239B1 - Rotorblattanordnung - Google Patents

Rotorblattanordnung Download PDF

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Publication number
EP2395239B1
EP2395239B1 EP10165721A EP10165721A EP2395239B1 EP 2395239 B1 EP2395239 B1 EP 2395239B1 EP 10165721 A EP10165721 A EP 10165721A EP 10165721 A EP10165721 A EP 10165721A EP 2395239 B1 EP2395239 B1 EP 2395239B1
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EP
European Patent Office
Prior art keywords
rotor blade
tip member
blade tip
connecting means
rotor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP10165721A
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English (en)
French (fr)
Other versions
EP2395239A1 (de
Inventor
Henrik Stiesdal
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
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Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Priority to DK10165721.1T priority Critical patent/DK2395239T3/da
Priority to EP10165721A priority patent/EP2395239B1/de
Priority to US13/151,670 priority patent/US8882466B2/en
Priority to CA2742487A priority patent/CA2742487C/en
Priority to CN201110155677.9A priority patent/CN102278270B/zh
Publication of EP2395239A1 publication Critical patent/EP2395239A1/de
Application granted granted Critical
Publication of EP2395239B1 publication Critical patent/EP2395239B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/065—Rotors characterised by their construction elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/30—Lightning protection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/21—Rotors for wind turbines
    • F05B2240/221—Rotors for wind turbines with horizontal axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2250/00—Geometry
    • F05B2250/70—Shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2250/00—Geometry
    • F05B2250/70—Shape
    • F05B2250/71—Shape curved
    • F05B2250/711—Shape curved convex
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2250/00—Geometry
    • F05B2250/70—Shape
    • F05B2250/71—Shape curved
    • F05B2250/712—Shape curved concave
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/30—Retaining components in desired mutual position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2280/00—Materials; Properties thereof
    • F05B2280/10—Inorganic materials, e.g. metals
    • F05B2280/107—Alloys
    • F05B2280/1071—Steel alloys
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2280/00—Materials; Properties thereof
    • F05B2280/20—Inorganic materials, e.g. non-metallic materials
    • F05B2280/2001—Glass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00—Metals
    • F05C2201/04—Heavy metals
    • F05C2201/0433—Iron group; Ferrous alloys, e.g. steel
    • F05C2201/0448—Steel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2203/00—Non-metallic inorganic materials
    • F05C2203/02—Glass
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Wind Motors (AREA)

Claims (14)

  1. Rotorblattanordnung (7), welche umfasst:
    - ein Rotorblatt (4) mit einem integrierten Blitzableiter (12), wobei das Rotorblatt (4) an einer Rotornabe (5) einer Windkraftanlage (1) befestigbar ist, und
    - ein Rotorblatt-Spitzenelement (6), das aus einem elektrisch isolierenden Material hergestellt und mittels eines Verbindungsmittels lösbar an dem freien Ende des Rotorblatts (4) befestigt ist,
    wobei das Verbindungsmittel ein Draht oder ein Stab (8) ist, der aus einem elektrisch leitenden Material hergestellt ist und eine mechanische und elektrische Verbindung des Rotorblatt-Spitzenelements (6) mit dem Blitzableiter (12) des Rotorblatts (4) herstellt, dadurch gekennzeichnet, dass das Rotorblatt-Spitzenelement (6) eine kappenähnliche Form aufweist und mit einem Verbindungsabschnitt (13) versehen ist, der das freie Ende des Rotorblatts (4) wenigstens teilweise überlappt, wobei er an dem Rotorblatt (4) formschlüssig anliegt, sodass eine geschlossene Oberfläche der Rotorblattanordnung (7) hergestellt wird.
  2. Rotorblattanordnung nach Anspruch 1, wobei das freie Ende des Rotorblatts (4) einen verminderten Querschnitt aufweist und der Verbindungsabschnitt (13) des Rotorblatt-Spitzenelements (6) mit dem Abschnitt mit vermindertem Querschnitt in Eingriff steht, sodass eine geschlossene Oberfläche der Rotorblattanordnung (7) hergestellt wird.
  3. Rotorblattanordnung nach einem der vorhergehenden Ansprüche, wobei ein Verriegelungsmittel (9) mit dem Rotorblatt-Spitzenelement (6) vorgesehen ist, welches das Verbindungsmittel an dem Rotorblatt-Spitzenelement (6) sichert.
  4. Rotorblattanordnung nach einem der vorhergehenden Ansprüche, wobei das Rotorblatt-Spitzenelement (6) mindestens einen Blitzrezeptor (16) umfasst, der mit dem Verbindungsmittel elektrisch verbunden ist.
  5. Rotorblattanordnung nach Anspruch 3 und 4, wobei das Verriegelungsmittel (9) ein Blitzrezeptor (16) ist.
  6. Rotorblattanordnung nach einem der vorhergehenden Ansprüche, wobei das Rotorblatt (4) einen Kanal (17), der sich von dem Blitzableiter (12) zu seinem freien Ende erstreckt, zur Aufnahme des Verbindungsmittels umfasst.
  7. Rotorblattanordnung nach einem der vorhergehenden Ansprüche, wobei das Rotorblatt-Spitzenelement (6) als ein Winglet geformt ist.
  8. Rotorblatt-Spitzenelement (6) für eine Rotorblattanordnung (7) nach einem der vorhergehenden Ansprüche, das aus einem elektrisch isolierenden Material hergestellt ist und dazu eingerichtet ist, lösbar an dem freien Ende eines Rotorblatts (4) mit einem integrierten Blitzableiter (12) mittels eines Verbindungsmittels befestigt zu werden, wobei das Verbindungsmittel ein Draht oder ein Stab (8) ist, der aus einem elektrisch leitenden Material hergestellt ist und dazu eingerichtet ist, eine mechanische und elektrische Verbindung des Rotorblatt-Spitzenelements (6) mit dem Blitzableiter (12) des Rotorblatts (4) herzustellen.
  9. Rotorblatt-Spitzenelement nach Anspruch 8, das eine kappenähnliche Form aufweist und mit mindestens einem Verbindungsabschnitt (13) versehen ist, der dazu eingerichtet ist, das freie Ende des Rotorblatts (4) wenigstens teilweise zu überlappen, wobei er mit dem Rotorblatt (4) formschlüssig verbunden ist, sodass eine geschlossene Oberfläche des Rotorblatts (4) hergestellt wird.
  10. Rotorblatt-Spitzenelement nach Anspruch 8 oder 9, das ein Verriegelungsmittel (9) umfasst, welches das Verbindungsmittel an ihm sichert.
  11. Rotorblatt-Spitzenelement nach einem der Ansprüche 8 bis 10, welches mindestens einen Blitzrezeptor (16) umfasst, der mit dem Verbindungsmittel elektrisch verbunden ist.
  12. Rotorblatt-Spitzenelement nach Anspruch 11, wobei das Verriegelungsmittel (9) ein Blitzrezeptor (16) ist.
  13. Rotorblatt-Spitzenelement nach einem der Ansprüche 8 bis 12, welches die Form eines Winglets aufweist.
  14. Windkraftanlage (1), die eine Anzahl von Rotorblattanordnungen (7) nach einem der Ansprüche 1 bis 7 aufweist, die an einer Rotornabe (5) befestigt sind.
EP10165721A 2010-06-11 2010-06-11 Rotorblattanordnung Active EP2395239B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DK10165721.1T DK2395239T3 (da) 2010-06-11 2010-06-11 Rotorbladindretning
EP10165721A EP2395239B1 (de) 2010-06-11 2010-06-11 Rotorblattanordnung
US13/151,670 US8882466B2 (en) 2010-06-11 2011-06-02 Rotor blade assembly
CA2742487A CA2742487C (en) 2010-06-11 2011-06-09 Rotor blade assembly
CN201110155677.9A CN102278270B (zh) 2010-06-11 2011-06-10 转子叶片组件

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10165721A EP2395239B1 (de) 2010-06-11 2010-06-11 Rotorblattanordnung

Publications (2)

Publication Number Publication Date
EP2395239A1 EP2395239A1 (de) 2011-12-14
EP2395239B1 true EP2395239B1 (de) 2013-01-30

Family

ID=42985399

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10165721A Active EP2395239B1 (de) 2010-06-11 2010-06-11 Rotorblattanordnung

Country Status (5)

Country Link
US (1) US8882466B2 (de)
EP (1) EP2395239B1 (de)
CN (1) CN102278270B (de)
CA (1) CA2742487C (de)
DK (1) DK2395239T3 (de)

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Publication number Priority date Publication date Assignee Title
EP2416005A1 (de) * 2010-08-02 2012-02-08 Siemens Aktiengesellschaft Anordnung zum Schutz vor Blitzen bei einem Windturbinenblatt
EP2650535B1 (de) * 2012-04-10 2016-04-06 Siemens Aktiengesellschaft Rotorblattanordnung für eine Windturbine
EP2653717A1 (de) * 2012-04-17 2013-10-23 Siemens Aktiengesellschaft Anordnung zum Nachrüsten einer Windturbinenschaufel
CN102937526B (zh) * 2012-07-17 2015-08-19 江苏金风科技有限公司 风机载荷的测量装置、系统和风机控制系统
GB2513603B (en) 2013-05-01 2015-11-04 Jaguar Land Rover Ltd Transmission
GB2519332A (en) * 2013-10-17 2015-04-22 Vestas Wind Sys As Improvements relating to lightning protection systems for wind turbine blades
GB2519331A (en) 2013-10-17 2015-04-22 Vestas Wind Sys As Improvements relating to lightning protection systems for wind turbine blades
GB2521809A (en) 2013-10-17 2015-07-08 Vestas Wind Sys As Improvements relating to lightning protection systems for wind turbine blades
US9903338B2 (en) * 2013-12-16 2018-02-27 General Electric Company Wind turbine blade and method of assembling the same
KR20170086071A (ko) 2014-11-14 2017-07-25 글로벌 라이트닝 프로텍션 서비시즈 에이/에스 풍력 터빈 블레이드용 피뢰 시스템을 위한 완전 절연 팁 유닛 및 이를 포함하는 풍력 터빈 블레이드
CN106150894B (zh) * 2015-04-27 2019-08-09 陆中源 帽状叶尖伸缩风电机叶片
US10451031B2 (en) * 2016-06-17 2019-10-22 General Electric Company Wind turbine rotor blade
US10871150B2 (en) 2016-07-29 2020-12-22 Vestas Wind Systems A/S Wind turbine blade having a lightning tip receptor
WO2018019349A1 (en) * 2016-07-29 2018-02-01 Vestas Wind Systems A/S Wind turbine blade having a lightning tip receptor
EP3513064B1 (de) * 2016-09-15 2020-09-09 Vestas Wind Systems A/S Schaufelspitzenverlängerung
US10443579B2 (en) * 2016-11-15 2019-10-15 General Electric Company Tip extensions for wind turbine rotor blades and methods of installing same
WO2019212552A1 (en) * 2018-05-03 2019-11-07 General Electric Company Improved joint configuration for a segmented wind turbine rotor blade
ES2933497T3 (es) * 2018-09-26 2023-02-09 Siemens Gamesa Renewable Energy As Protección contra rayos para un complemento de pala de rotor
DK3884154T3 (da) * 2018-11-20 2024-01-02 Lm Wind Power As Lynbeskyttelsessystem til vindmøllevinge
EP3708828A1 (de) * 2019-03-14 2020-09-16 Siemens Gamesa Renewable Energy A/S Verfahren zur bereitstellung eines windturbinenrotorblattes mit blitzschutz und windturbinenrotorblatt
CN112727711A (zh) * 2021-01-04 2021-04-30 株洲时代新材料科技股份有限公司 一种风力发电机叶片防雷装置
CN112901428B (zh) * 2021-03-23 2022-04-22 国电联合动力技术(保定)有限公司 一种风电叶片避雷系统的制作方法

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DE102009046586B4 (de) * 2009-11-10 2012-02-23 Nordex Energy Gmbh Blattspitze für ein Rotorblatt einer Windenergieanlage und Verfahren zur Montage der Blattspitze an ein Rotorblatt

Also Published As

Publication number Publication date
US20110305574A1 (en) 2011-12-15
US8882466B2 (en) 2014-11-11
CA2742487C (en) 2018-05-01
CN102278270B (zh) 2015-07-15
DK2395239T3 (da) 2013-03-04
CN102278270A (zh) 2011-12-14
CA2742487A1 (en) 2011-12-11
EP2395239A1 (de) 2011-12-14

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